The optimal time to recycle the coke oven gas is that the pore distribution in the coke is becoming homogenous.

 
  • 煤氣的最佳返回時(shí)機是在焦炭中孔隙分布較為均勻之時(shí)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan